Data Handling Test

Result

Data Handling Test - 1

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Question 1
1 / -0

Use the following information to answer the next question.

The given data set lists the numbers of students in classes 1 to 10 of a school.

37, 38, 41, 39, 40, 42, 36, 40, 38, 40

What is the mode of the number of students?

A
38

B
39

C
40

D
41

Solution

Mode of a set of observations is the observation that appears the maximum number of times.

Arranging the data values in an increasing order,

36, 37, 38, 38, 39, 40, 40, 40, 41, 42

The value 40 appears the maximum number of times.

Therefore, the modal number of students is 40.
Question 2
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The two modes of the data set {25, 19, 27, 25, 27, 25, 29, 31, 19, 33, 27} are

A
19 and 25

B
25 and 27

C
27 and 29

D
29 and 31

Solution

Mode of a set of observations is the observation that appears the maximum number of times.

Arranging the data values in an increasing order,

19, 19, 25, 25, 25, 27, 27, 27, 29, 31, 33

The values 27 and 25 appear the maximum number of times.

Therefore, the modes of the given data set are 25 and 27.
Question 3
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Which of the following statements holds true for the data

37, 23, 13, 91, 4, 1, 2, 9, 10, 41, 37, 38, 37?

A
mean = median = mode

B
mean = median ≠ mode

C
mean ≠ median = mode

D
mean ≠ median ≠ mode

Solution

Arranging the data in an ascending order

1, 2, 4, 9, 10, 13, 23, 37, 37, 37, 38, 41, 91

Median = 23

Mean = 26.38 and mode = 37